![]() ![]() Both radiographs significantly underestimated the clinical depth ( p<0.0001), but the RVG-6000 images were significantly closer to the actual depth of the lesion than the D-speed film ( p=0.0031). The caries lesion extension from the dentino-enamel junction (DEJ) was measured in mm on each radiograph and the results were compared to the true clinical depth. A reference device was placed on the occlusal surface of the treatment or the adjacent tooth before taking radiographs and during the operative procedure. During the operative procedures, the cavitation status was also recorded. The true caries depth was validated clinically from intra-operative photographs that captured the cross-sectional views of the lesion at its deepest point. Patients were asked to complete a one-page questionnaire regarding discomfort during the radiographic examination. Affected teeth were radiographed with D-speed film and the RVG-6000 size 2 sensor. ![]() Fifty-one Class II caries lesions were selected. ![]() The patient's discomfort related to placement of each radiographic packet was also evaluated. This study compared the newly introduced direct digital radiographic (DDR) system (RVG-6000) with conventional bitewing radiographs (D-speed film) to estimate the extension of Class II caries lesions. ![]()
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